Shinko BCx2 User manual

DIGITAL INDICATING CONTROLLER

BCx2

INSTRUCTION MANUAL

2

Preface

Thank you for purchasing our digital indicating controller BCx2 (BCS2, BCR2, BCD2). This manual contains

instructions for the mounting, functions, operations and notes when operating the BCx2. To prevent accidents

arising from the misuse of this controller, please ensure the operator receives this manual.

Abbreviations used in this manual

Abbreviation

Term

PV

Process variable

SV

Desired value

MV

Manipulated variable

DV

Deviation

OUT1

Control output OUT1

OUT2

Control output OUT2

AT

Auto-tuning

Characters used in this manual

Indication

Number, /

-1

0

1

2

3

4

5

6

7

8

9

Indication

Alphabet

A

B

C

D

E

F

G

H

I

J

K

L

M

Indication

Alphabet

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

Notes

• This instrument should be used in accordance with the specifications described in the manual.

If it is not used according to the specifications, it may malfunction or cause a fire.

• Be sure to follow the warnings, cautions and notices. If they are not observed, serious injury or malfunction

may occur.

• The contents of this instruction manual are subject to change without notice.

• Care has been taken to ensure that the contents of this instruction manual are correct, but if there are any

doubts, mistakes or questions, please inform our sales department.

• Measures must be taken to ensure that the operator cannot touch power terminals or other high voltage

sections.

• Any unauthorized transfer or copying of this document, in part or in whole, is prohibited.

• Shinko Technos Co., Ltd. is not liable for any damage or secondary damage(s) incurred as a result of using

this product, including any indirect damage.

3

Safety Precautions (Be sure to read these precautions before using our products.)

The safety precautions are classified into categories: “Warning” and “Caution”. Depending on circumstances,

procedures indicated by

Caution may result in serious consequences, so be sure to follow the directions

for usage.

Warning

• To prevent an electrical shock or fire, only Shinko or other qualified service personnel may handle the

inner assembly.

• To prevent an electrical shock, fire or damage to the instrument, parts replacement may only be

undertaken by Shinko or other qualified service personnel.

Safety Precautions

• To ensure safe and correct use, thoroughly read and understand this manual before using this instrument.

• This instrument is intended to be used for industrial machinery, machine tools and measuring equipment. Verify

correct usage after purpose-of-use consultation with our agency or main office. (Never use this instrument for

medical purposes with which human lives are involved.)

• External protection devices such as protective equipment against excessive temperature rise, etc. must be

installed, as malfunction of this product could result in serious damage to the system or injury to personnel.

Proper periodic maintenance is also required.

• This instrument must be used under the conditions and environment described in this manual. Shinko Technos

Co., Ltd. does not accept liability for any injury, loss of life or damage occurring due to the instrument being used

under conditions not otherwise stated in this manual.

Caution with Respect to Export Trade Control Ordinance

To avoid this instrument from being used as a component in, or as being utilized in the manufacture of

weapons of mass destruction (i.e. military applications, military equipment, etc.), please investigate the end

users and the final use of this instrument. In the case of resale, ensure that this instrument is not illegally

exported.

1. Installation Precautions

Caution

This instrument is intended to be used under the following environmental conditions

(IEC61010-1): Overvoltage category , Pollution degree 2

Ensure the mounting location corresponds to the following conditions:

• A minimum of dust, and an absence of corrosive gases

• No flammable, explosive gases

• No mechanical vibrations or shocks

• No exposure to direct sunlight, an ambient temperature of -10 to 55

(14 to 131 ) that does not

change rapidly, and no icing

• An ambient non-condensing humidity of 35 to 85 %RH

• No large capacity electromagnetic switches or cables through which large current is flowing

• No water, oil or chemicals or where the vapors of these substances can come into direct contact with

the unit

• Please note that the ambient temperature of this unit – not the ambient temperature of the control panel

–

must not exceed 55 (131 ) if mounted through the face of a control panel, otherwise the life of

electronic components (especially electrolytic capacitors) may be shortened.

Note • Avoid setting this instrument directly on or near flammable material even though the case

of this instrument is made of flame-resistant resin.

Caution

Procedures which may lead to dangerous conditions and cause death or serious

injury, if not carried out properly.

Procedures which may lead to dangerous conditions and cause superficial to

medium injury or physical damage or may degrade or damage the product, if not

carried out properly.

4

2. Wiring Precautions

Caution

• Do not leave wire remnants in the instrument, as they could cause a fire or malfunction.

• Use the solderless terminal with an insulation sleeve in which the M3 screw fits when wiring the

instrument.

• The terminal block of this instrument is designed to be wired from the left side. The lead wire must be

inserted from the left side of the terminal, and fastened with the terminal screw.

• Tighten the terminal screw using the specified torque. If excessive force is applied to the screw when

tightening, the terminal screw or case may be damaged.

• Do not pull or bend the lead wire on the terminal side when wiring or after wiring, as it could cause

malfunction.

• When using a terminal cover for the BCS2, pass terminal wires numbered 7 to 12 into the holes of the

terminal cover.

• This instrument does not have a built-in power switch, circuit breaker and fuse.

It is necessary to install a power switch, circuit breaker and fuse near the controller.

(Recommended fuse: Time-lag fuse, rated voltage 250 V AC, rated current 2 A)

• For a 24 V AC/DC power source, do not confuse polarity when using direct current (DC).

• Do not apply a commercial power source to the sensor which is connected to the input terminal nor

allow the power source to come into contact with the sensor.

• Use a thermocouple and compensating lead wire according to the sensor input specifications of this

controller.

• Use the 3-wire RTD according to the sensor input specifications of this controller.

• For DC voltage input, (+) side input terminal number of 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC differs

from that of 0 to 1 V DC.

Model

Terminal Number

BCS2

9

: (+) side of 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC

10

: (+) side of 0 to 1 V DC

BCR2, BCD2

21

: (+) side of 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC

22

: (+) side of 0 to 1 V DC

• When using a relay contact output type, externally use a relay according to the capacity of the load to

protect the built-in relay contact.

• When wiring, keep input wires (thermocouple, RTD, etc.) away from controller AC power sources or

load wires.

3. Operation and Maintenance Precautions

Caution

• It is recommended that AT be performed on the trial run.

• Do not touch live terminals. This may cause electrical shock or problems in operation.

• Turn the power supply to the instrument OFF when retightening the terminal or cleaning.

Working on or touching the terminal with the power switched ON may result in severe injury or death

due to electrical shock.

• Use a soft, dry cloth when cleaning the instrument.

(Alcohol based substances may tarnish or deface the unit.)

• As the display section is vulnerable, be careful not to put pressure on, scratch or strike it with a hard

object.

5

Contents

Page

1. Model ............................................................................................................................................................ 7

1.1 Model ....................................................................................................................................................... 7

1.2 How to Read the Model Label ................................................................................................................. 8

2. Names and Functions of Controller ............................................................................................................... 9

3. Mounting to the Control Panel ..................................................................................................................... 12

3.1 External Dimensions (Scale: mm) ......................................................................................................... 12

3.2 Panel Cutout (Scale: mm) ...................................................................................................................... 13

3.3 CT External Dimensions (Scale: mm) ................................................................................................... 14

3.4 Mounting to, and Removal from, the Control Panel ............................................................................... 15

3.4.1 How to Mount the Unit ....................................................................................................................... 15

3.4.2 How to Remove the Mounting Frame and Unit ............................................................................... 17

4. Wiring .......................................................................................................................................................... 18

4.1 Terminal Arrangement ............................................................................................................................ 19

4.2 Lead Wire Solderless Terminal .............................................................................................................. 20

4.3 Terminal Cover ...................................................................................................................................... 21

4.4 Wiring .................................................................................................................................................... 22

4.4.1 Power Supply .................................................................................................................................. 22

4.4.2 Control Output OUT1, OUT2 ........................................................................................................... 22

4.4.3 Input ................................................................................................................................................ 23

4.4.4 Event Output 1, Event Output 2 ...................................................................................................... 24

4.4.5 Insulated Power Output ................................................................................................................... 24

4.4.6 CT Input .......................................................................................................................................... 25

4.4.7 Serial Communication ..................................................................................................................... 27

4.4.8 Event Input ...................................................................................................................................... 29

4.4.9 External Setting Input ...................................................................................................................... 29

4.4.10 Transmission Output ..................................................................................................................... 29

5. Outline of Key Operation and Each Mode ................................................................................................... 30

5.1 key Operation ........................................................................................................................................ 30

5.2 Modes .................................................................................................................................................... 32

5.3 Basic Operation after Power-ON ........................................................................................................... 33

6. Initial Setting ................................................................................................................................................ 37

6.1 Example of Initial Setting ....................................................................................................................... 38

6.2 Initial Setting Mode ................................................................................................................................ 40

7. Settings ....................................................................................................................................................... 53

7.1 Main Setting Mode ................................................................................................................................. 53

7.2 Sub Setting Mode .................................................................................................................................. 58

7.3 Engineering Mode 1 ............................................................................................................................... 64

7.4 Engineering Mode 2 ............................................................................................................................... 79

8. Operation and Settings of Standard Functions ............................................................................................ 80

8.1 Selecting an input type .......................................................................................................................... 80

8.2 Selecting PID Control or ON/OFF Control ............................................................................................. 81

8.3 Selecting Direct/Reverse Action ............................................................................................................ 82

8.4 Performing Fixed Value Control ............................................................................................................. 83

8.5 Setting PID Constants (by Performing AT) ............................................................................................. 84

8.5.1 Usual AT .......................................................................................................................................... 84

8.5.2 AT on Startup .................................................................................................................................. 85

8.6 Performing Auto-reset ............................................................................................................................ 87

8.7 Performing Program Control .................................................................................................................. 88

8.8 Event Output EV1 Allocation .................................................................................................................. 95

8.9 Indicating MV, Remaining Time (Program Control) ................................................................................ 97

8.10 Items to be Initialized by Changing Settings ........................................................................................ 98

9. Attached Function ....................................................................................................................................... 99

6

9.1 Input Value Correction ........................................................................................................................... 99

9.2 Set Value Lock ..................................................................................................................................... 101

9.3 Control Output OFF Function .............................................................................................................. 102

9.4 Switching Auto/Manual Control (Auto/Manual Control Function) ......................................................... 103

9.5 Using as a Converter ........................................................................................................................... 104

9.5.1 Selecting Converter Function ........................................................................................................ 105

9.5.2 Fine Adjustment of Converter Output (4 to 20 mA DC) ................................................................. 106

9.5.3 Converter Setting Example ........................................................................................................... 107

9.6 Clearing Data ....................................................................................................................................... 108

10. Action Explanation ................................................................................................................................... 109

10.1 OUT1 Action (BCS2) .......................................................................................................................... 109

10.2 OUT1 ON/OFF Control Action (BCS2) ............................................................................................... 109

10.3 Heater Burnout Alarm Action .............................................................................................................. 110

10.4 Alarm Action (BCS2) ........................................................................................................................... 111

10.5 OUT2 (Heating/Cooling Control) Action (BCS2) ................................................................................. 113

10.6 OUT2 (Heating/Cooling Control) Action (When Setting Dead Band) (BCS2) ..................................... 114

10.7 OUT2 (Heating/Cooling Control) Action (When Setting Overlap Band) (BCS2) ................................. 115

11. Specifications ........................................................................................................................................... 116

11.1 Standard Specifications ...................................................................................................................... 116

11.2 Optional Specifications ...................................................................................................................... 127

12. Troubleshooting ....................................................................................................................................... 129

12.1 Indication ........................................................................................................................................... 129

12.2 Key Operation .................................................................................................................................... 131

12.3 Control ............................................................................................................................................... 132

13. Character Table ....................................................................................................................................... 133

13.1 Error Code ......................................................................................................................................... 133

13.2 Run Mode .......................................................................................................................................... 133

13.3 Monitor Mode ..................................................................................................................................... 133

13.4 Initial Setting Mode ............................................................................................................................ 134

13.5 Main Setting Mode ............................................................................................................................. 140

13.6 Sub Setting Mode .............................................................................................................................. 142

13.7 Engineering Mode 1 ........................................................................................................................... 144

13.8 Engineering Mode 2 ........................................................................................................................... 150

14. Key Operation Flowchart ......................................................................................................................... 151

7

1. Model

1.1 Model

B C 2

-

Size

BCS2

48 x 48 x 68 mm (W x H x D) (Depth of control panel interior: 60)

BCR2

48 x 96 x 68 mm (W x H x D) (Depth of control panel interior: 60)

BCD2

96 x 96 x 68 mm (W x H x D) (Depth of control panel interior: 60)

Control output

OUT1

R

Relay contact: 1a

S

Non-contact voltage (for SSR drive) 12 V DC 15%

A

Direct current: 4 to 20 mA DC

Power supply

voltage

0

100 to 240 V AC (Standard)

1

24 V AC/DC

Input

0

Multi-range (*1)

Option 1 (*2)

(Choose only one option.)

0

No Option 1 needed.

1

EV2

Event output EV2 (*3)

2

DS

Heating/Cooling control output OUT2, Non-contact voltage

3

DA

Heating/Cooling control output OUT2, Direct current

4

P24

Insulated power output

5 EV2+DR(*4) Event output EV2 (*3) + Heating/Cooling control

output OUT2, Relay contact

6 EV2+DS(*4) Event output EV2 (*3) + Heating/Cooling control

output OUT2, Non-contact voltage

7 EV2+DA(*4) Event output EV2 (*3) + Heating/Cooling control

output OUT2, Direct current

Option 2 (*2)

(Choose only one option.)

0

No Option 2 needed.

1 C5W (20A)

Event input (2 points) (*5) + Serial communication +

Heater burnout alarm (20A) (*6)

2 C5W (100A)

Event input (2 points) (*5) + Serial communication +

Heater burnout alarm (100A) (*6)

3 EIW (20A) Event input (2 points) +

Heater burnout alarm (20A) (*6)

4 EIW (100A) Event input (2 points) +

Heater burnout alarm (100A) (*6)

5 EIT (*4) Event input (2 points) (*7)+

External setting input + Transmission output

6

C5

Serial communication

7

W (20A)

Heater burnout alarm (20 A) (*6)

8

W (100A)

Heater burnout alarm (100 A) (*6)

9

EI

Event input (2 points)

(*1) Thermocouple, RTD, Direct current and DC voltage can be selected by keypad.

(*2) Only one option can be selected from Option 1 and Option 2 respectively.

(*3) Event output EV1 is standard.

The following outputs can be selected in [Event output EV1/EV2 allocation] by keypad:

Alarm output (12 alarm types and No alarm action), Heater burnout alarm output, Loop break alarm output,

Time signal output, Output during AT, Pattern end output, Output by communication command, Heating/Cooling

control output OUT2 (for EV2 option only).

For Event output EV1/EV2, Heater burnout alarm output and Output by communication command are available

when C5W, EIW, C5 or W option is ordered.

(*4) When EV2+D option and EIT option are added simultaneously, Transmission output terminals are used for EV2 output,

so Transmission output is disabled. For the BCS2, EV2+D

cannot be selected.

(*5) For the BCS2, Event input (2 points) is not available.

(*6) For direct current output type, Heater burnout alarm does not work. CT (Current Transformer) are sold separately.

(*7) For the BCS2, 1 point of Event input is available.

8

1.2 How to Read the Model Label

The model label is attached to the right side of the case.

BCS2 BCR2, BCD2

(e.g.) BCS2R00-12 (e.g.) BCD2R00-12

(Fig. 1.2-1) (Fig. 1.2-2)

No.

Description

Example

(1)

Terminal arrangement

BCS2R00-12, BCD2R00-12

(*1)

(2)

Model

BCS2R00-12, BCD2R00-12

(3) Option EV2 (Event output EV2)

C5W(100A) [Serial communication + Heater burnout

alarm (100 A)]

(*2)

(4)

Input

MULTI-RANGE (Multi-range input)

(5) Control output, Event output O1: 3 A 250 V AC (Control output OUT1)

EV1: 3 A 250 V AC (Event output EV1)

EV2: 3 A 250 V AC (Event output EV2)

(6) Power supply voltage,

Power consumption

100 to 240 V AC 50/60 Hz,

11 VA

(7)

Serial number

No. 145F05000

(*1) Terminal arrangement diagram differs depending on the model.

(*2) For Heater burnout alarm output (C5W, EIW, W options), CT rated current is entered in bracket ( ).

(7)

(2)

(3)

(4)

(5)

(6)

(7)

(2)

(3)

(4)

(5)

(6)

(1)

9

2. Names and Functions of Controller

BCS2

(Fig. 2-1)

BCR2

(Fig. 2-2)

(1)

(

2)

(

4)

(

5)

(

6)

(8)

(

7)

(

9)

(1)

(

2)

(

4)

(

5)

(

6)

(

8)

(

9)

(

3)

(

7)

10

BCD2

(Fig. 2-3)

Display

No.

Name

Description

(1) PV Display Indicates PV.

Indicates setting characters in each setting mode.

(2) SV Display Indicates SV.

Indicates the set data in each setting mode.

In Monitor mode, indicated contents differ depending on the model as

follows.

Model

Indicated Contents

BCS2 Indicates MV, Remaining time (Program control), Step

number (Program control) or Set value memory number

(Fixed value control).

BCR2, BCD2

Indicates MV or Remaining time (Program control).

(3) MEMO/STEP

Display

Indicates Set value memory number (Fixed value control) or Step number

(Program control). (For BCR2, BCD2)

(1)

(

2)

(

4)

(

5)

(

6)

(

8)

(

9)

(

3)

(

7)

11

Action Indicators

No.

Name

Description

(4) O1 (Green) Lit when control output OUT1 is ON.

For direct current output type, flashes corresponding to the MV in 125 ms

cycles.

O2 (Yellow) Lit when control output OUT2 (EV2, DS, DA, EV2+D options) is ON.

For direct current output type (DA option), flashes corresponding to the MV

in 125 ms cycles.

EV1 (Red)

Lit when Event output EV1 is ON.

EV2 (Red) Lit when Event output EV2 (EV2, EV2+D options) is ON.

Unlit if

(Heating/Cooling control relay contact output) is selected in

[Event output EV2 allocation].

AT (Yellow)

Flashes while AT, ‘AT on startup’ or Auto-reset is performing.

R/L (Yellow)

Lit during Remote action, selected in [Remote/Local] (EIT option).

T/R (Yellow)

Lit during Serial communication (C5W, C5 options) TX (transmitting) output.

MEMO

(Yellow)

Lit when Set value memory number (Fixed value control) is indicated.

(For BCR2, BCD2)

STEP (Green)

Lit when a step number (Program control) is indicated. (For BCR2, BCD2)

Key

No.

Name

Description

(5)

UP key Increases the numeric value.

By pressing this key for 1 second during Program control, the performing

step is interrupted, proceeding to the beginning of the next step. (Advance

function)

(6)

DOWN key Decreases the numeric value.

(7)

MODE key

Switches a setting mode, and registers the set data.

By pressing this key for 3 seconds during RUN mode, the unit enters

Monitor mode.

(8)

OUT/OFF key By pressing the key for approx. 1 second, one of the following items

selected in [OUT/OFF key function] is activated.

OUT/OFF Key Function

Description

Control output OFF function

Turns control output ON or OFF.

Auto/Manual control

Switches the Auto/Manual control.

Program control

Starts/Stops the Program control.

Console Connector

No.

Name

Description

(9) Console

connector

By connecting the tool cable (CMD-001, sold separately), the following

operations can be conducted from an external computer using the Console

software SWC-BCx01M.

• Reading and setting of SV, PID and various set values

• Reading of PV and action status

• Function change

12

3. Mounting to the Control Panel

3.1 External Dimensions (Scale: mm)

BCS2

(Fig. 3.1-1)

BCR2

(Fig. 3.1-2)

(*) When the terminal cover is used.

Gasket

Mounting frame

Terminal cover (sold separately)

Gasket

Termina

l cover (sold separately)

(*) When the terminal cover is used.

Screw type mounting bracket

Gasket

Terminal cover (sold separately)

Screw type mounting bracket

13

BCD2

(Fig. 3.1-3)

3.2 Panel Cutout (Scale: mm)

Caution

If horizontal close mounting is used for the controller, IP66 specification (Drip-proof/Dust-proof)

may be compromised, and all warranties will be invalidated.

BCS2

Horizontal close mounting

n: Number of units mounted

(Fig. 3.2-1)

Gasket

Terminal cover (sold separately)

Screw type mounting bracket

(*) When terminal covers are used.

14

BCR2

Horizontal close mounting

n: Number of units mounted

(Fig. 3.2-2)

BCD2

Horizontal close mounting

n: Number of units mounted

(Fig. 3.2-3)

3.3 CT External Dimensions (Scale: mm)

CTL-6-S-H (for 20 A) CTL-12-S36-10L1U (for 100 A)

(Fig. 3.3-1)

130

92

＋0.8

0

45

＋0.5

0

n×48-3

＋0.5

0

92

＋0.8

0

□92

＋0.8

0

130

n×96-3

＋0.5

0

9

2

＋0.8

0

15

3.4 Mounting to, and Removal from, the Control Panel

Caution

As the mounting frame of the BCS2 is made of resin, do not use excessive force while

tightening screws, or the mounting frame could be damaged.

Tighten screws with one rotation upon the screw tips touching the panel.

The torque is 0.05 to 0.06 N•m.

For the BCR2, BCD2, the torque should be 0.1 N•m.

3.4.1 How to Mount the Unit

BCS2

Mount the controller vertically to the flat, rigid panel to ensure it adheres to the Drip-proof/Dust-proof

specification (IP66).

If the lateral close mounting is used for the controller, IP66 specification (Drip-proof/Dust-proof) may

be compromised, and all warranties will be invalidated.

Mountable panel thickness: 1 to 5 mm

(1) Insert the controller from the front side of the control panel. (Fig. 3.4.1-1)

If the Drip-proof/Dust-proof specification (IP66) is not necessary, the gasket may be removed

(Please keep in mind the warranty is void if gasket is removed).

(2) Insert the mounting frame until it comes into contact with the panel, and fasten with screws.

Tighten screws with one rotation upon the screw tips touching the panel. (Fig. 3.4.1-2)

The torque is 0.05 to 0.06 N•m.

(Fig. 3.4.1-1) (Fig. 3.4.1-2)

Mounting frame

Gasket

16

BCR2, BCD2

Mount the controller vertically to the flat, rigid panel to ensure it adheres to the Drip-proof/Dust-proof

specification (IP66).

If the lateral close mounting is used for the controller, IP66 specification (Drip-proof/Dust-proof) may

be compromised, and all warranties will be invalidated.

Mountable panel thickness: 1 to 7 mm

(1) Insert the controller from the front side of the control panel. (Fig. 3.4.1-3)

If the Drip-proof/Dust-proof specification (IP66) is not necessary, the gasket may be removed.

(Please keep in mind the warranty is void if gasket is removed).

(Fig. 3.4.1-3)

(2) Attach the mounting brackets by the slots at the top and bottom of the case, and secure the

controller in place with the screws.

The torque is 0.1 N•m.

(Fig. 3.4.1-4)

Screw type

mounting bracket

Gasket

17

3.4.2 How to Remove the Mounting Frame and Unit

BCS2 (Fig. 3.4.2-1)

(1) Turn the power to the unit OFF, and disconnect all wires before removing the mounting frame.

(2) Insert a flat blade screwdriver between the mounting frame and unit (

1

).

(3) Slowly push the frame upward using the screwdriver (

2

), while pushing the unit toward the

panel (

3

).

(4) Repeat step (2) and slowly push the frame downward using the screwdriver for the other side.

The frame can be removed little by little by repeating these steps.

(Fig. 3.4.2-1)

BCR2, BCD2

(1) Turn the power to the unit OFF, and disconnect all wires before removing the unit.

(2) Loosen the screws of the mounting brackets, and remove the mounting brackets.

(3) Pull the unit out from the front of the control panel.

①

②

③

18

4. Wiring

Warning

Turn the power supply to the instrument off before wiring or checking.

Working on or touching the terminal with the power switched on may result in severe injury

or death due to electrical shock.

Caution

• Do not leave wire remnants in the instrument, as they could cause a fire or malfunction.

• Use the solderless terminal with an insulation sleeve in which the M3 screw fits when wiring the

instrument.

• The terminal block of this instrument is designed to be wired from the left side. The lead wire must be

inserted from the left side of the terminal, and fastened with the terminal screw.

• Tighten the terminal screw using the specified torque. If excessive force is applied to the screw when

tightening, the terminal screw or case may be damaged.

• Do not pull or bend the lead wire on the terminal side when wiring or after wiring, as it could cause

malfunction.

• When using a terminal cover for the BCS2, pass terminal wires numbered 7 to 12 into the holes of the

terminal cover.

• This instrument does not have a built-in power switch, circuit breaker and fuse.

It is necessary to install a power switch, circuit breaker and fuse near the controller.

(Recommended fuse: Time-lag fuse, rated voltage 250 V AC, rated current 2 A)

• For a 24 V AC/DC power source, do not confuse polarity when using direct current (DC).

• Do not apply a commercial power source to the sensor which is connected to the input terminal nor

allow the power source to come into contact with the sensor.

• Use a thermocouple and compensating lead wire according to the sensor input specifications of this

controller.

• Use the 3-wire RTD according to the sensor input specifications of this controller.

• For DC voltage input, (+) side input terminal number of 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC differs

from that of 0 to 1 V DC.

Model

Terminal Number

BCS2

9

: (+) side of 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC

10

: (+) side of 0 to 1 V DC

BCR2, BCD2

21

: (+) side of 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC

22

: (+) side of 0 to 1 V DC

• When using a relay contact output type, externally use a relay according to the capacity of the load to

protect the built-in relay contact.

• When wiring, keep input wires (thermocouple, RTD, etc.) away from AC sources or load wires.

19

4.1 Terminal Arrangement

Terminal arrangement of the BCS2, BCR2, BCD2 differs depending on the options as follows.

BCS2

(Fig. 4.1-1)

BCR2, BCD2

(Fig. 4.1-2)

20

Terminal

Description

POWER SUPPLY 100 to 240 V AC or 24 V AC/DC

For a 24 V AC/DC power source, do not confuse polarity when using

direct current (DC).

EV1

Event output EV1

EV2

Event output EV2 (EV2, EV2+D options)

O2

Control output OUT2

(EV2, DS, DA, EV2+D options)

P24

24 V DC insulated power output (P24 option)

O1

Control output OUT1

RTD

RTD input

TC

Thermocouple input

DC Direct current, DC voltage inputs

For DC voltage input, (+) side input terminal number of 0 to 5 V DC, 1 to

5 V DC, 0 to 10 V DC differs from that of 0 to 1 V DC.

Model

Terminal Number

BCS2

9

: + side of 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC

10

: + side of 0 to 1 V DC

BCR2, BCD2

21

: + side of 0 to 5 V DC, 1 to 5 V DC, 0 to 10 V DC

22

: + side of 0 to 1 V DC

CT1

CT input 1

(C5W, EIW, W options)

CT2

CT input 2 (C5W, EIW, W options)

RS-485

Serial communication RS-485

(C5W, C5 options)

EVENT INPUT Event input DI1 (BCS2: EIW, EIT, EI options,

BCR2/BCD2: C5W, EIW, EIT, EI options)

Event input DI2

(BCS2: EIW, EI options,

BCR2/BCD2: C5W, EIW, EIT, EI options)

EXT CONT

External setting input (EIT option)

TRANSMIT OUTPUT Transmission output (EIT option) or Event output EV2 (EV2+D option)

BCR2, BCD2: If EV2+D

option and EIT option are added simultaneously,

Transmission output terminals are used for EV2 output, so Transmission output

will be disabled.

4.2 Lead Wire Solderless Terminal

Use a solderless terminal with an insulation sleeve in which an M3 screw fits as shown below.

The torque should be 0.63 N•m.

Solderless

Terminal

Manufacturer Model

Tightening

Torque

Y-type

Nichifu Terminal Industries Co., Ltd.

TMEV1.25Y-3

0.63 N•m

Japan Solderless Terminal MFG Co., Ltd.

VD1.25-B3A

Ring-type

Nichifu Terminal Industries Co., Ltd.

TMEV1.25-3

Japan Solderless Terminal MFG Co., Ltd.

V1.25-3

(Fig. 4.2-1)

5.8 mm max.

3.2 mm

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